/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.hertzbeat.common.util;


import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Objects;

/**
 * String processing tools
 */
public final class StrUtil {

    private StrUtil() {
    }

    /**
     * Handle Comma Separated Data
     * @param arg Comma separated data
     * @return Data List
     */
    public static List<String> analysisArgToList(String arg) {
        if (Objects.isNull(arg)) {
            return Collections.emptyList();
        }
        return Arrays.asList(arg.split("\\s*,\\s*"));
    }

}
